package DaEr1_1;

public class LianXi3 {
    public static void main(String[] args) {
        int a=3729,b;
        b=(a/1000)+(a/100%10)+(a/10%10)+(a%10);
        System.out.println("四位数字的拆解和：");
        System.out.println("b = " + b);

    }
}
